Suitcase



FIG. 1 is a perspective view of the suitcase;

FIG. 2 is a front view of the suitcase;

FIG. 3 is a rear view of the suitcase;

FIG. 4 is a left side view of the suitcase;

FIG. 5 is a right side view of the suitcase;

FIG. 6 is a top view of the suitcase; and,

FIG. 7 is a bottom view of the suitcase.

The broken lines illustrate portions of the suitcase and form no part of the claimed design. The two broken lines immediately adjacent the largest enclosed zipper track on the front face represent stitching, and form no part of the claimed design. 

CLAIM The ornamental design for a suitcase, as shown and described. 